It's a dilemma faced by many new parents: do they get up in the night to comfort their crying babies - or let them sob themselves to sleep?

UK law bans labs from growing embryos for longer than 14 days as after two weeks, it is deemed that an individual has started to develop.

Intense training amid 35C heat and 80 per cent humidity may sound like hell to most of us, but to elite athletes it could mean all the difference in making it to the podium.

Being almost too exhausted to write this very article about tiredness is painfully ironic, writes new dad Jamie Morton.

The shedding of emotional tears is unique to humans, but our evolutionary, psychological and biological reasons for "crying it out" remain a mystery.

COMMENT: The internet contains a vast store of information which is much bigger than any individual brain can carry - and that's not always a good thing.

The shedding of emotional tears is unique to humans, but our evolutionary, psychological and biological reasons for "crying it out" remain a mystery.

COMMENT: We believe that random funding is a fair and transparent way to choose between equally qualified applicants, writes Kath McPherson.

With no cause and no cure, autism remains one of the most mind-bogglingly complex disorders for researchers to tackle.

Reseachers from across the world have attended a major conference in Christchurch showing off their latest theories, technology, data, and videos furthering the state-of-the-art in human robot interaction.

The "root of all evil" has been discovered by scientists who found that part of the brain fires up before nefarious acts are carried out.

The best things in life are not only free - they also arrive before we hit middle-age, it seems.

Viagra could be given to women in childbirth to reduce complications and save babies' lives.

A device that sends an electric current into nerve fibres found in the ears could help millions of people with depression.

Adult play is a booming branch of the wellness industry, but can it really relieve stress? Cherrill Hicks finds out.

A new paper from researchers at Johns Hopkins University suggests that learning to ignore certain things is a powerful tool for helping people focus.

Humans aren't going to last forever, no species ever has. It's hard for me to believe there's anything afterwards.

A simple jab could stop cravings for alcohol, cigarettes and junk food, say scientists.

Average penis size revealed: Scientists attempt to find what is 'normal' to reassure concerned men.

Twins Jayden and Xavier Boughey have to convince their classmates they're brothers.

Your nearest psychopath might be your father-in-law, your boss, your financial adviser or even that guy your daughter is thinking about dating. Just who these people are, how many there are in our society and what helps them blend in are questions that have inspired a Waikato University researcher to launch a major project.

Your nearest psychopath might be your father-in-law, your boss, your financial adviser or even that guy your daughter is thinking about dating.

The most untruthful people are likely to look you straight in the eye and give confident, thought-out replies, research claims.

Scientists just can't agree on whether video games will save you or kill you.

Parents, we report, are being urged to read to their kids over the holidays, or ensure they keep reading, to maintain their mental development.

Scientists have demonstrated how robots can learn much like tots do.

Experts meet in Washington to set out a safe path ahead for technology that could lead to designer babies.